The Freudenberg-NOK H901B O-Ring features a 0.139-inch cross-section and a hardness rating of 90 HNBR, making it an excellent choice for sealing in high-pressure environments. This O-Ring is engineered for superior performance in applications exposed to oils, fuels, and other aggressive media. Its precise dimensions ensure a snug fit, enhancing sealing efficiency and longevity. The HNBR material is known for its resilience against heat and wear, making it suitable for various industrial uses. This O-Ring complies with relevant industry standards, ensuring reliability and safety in your operations.